In industrial facilities where 400 to 480 V three-phase power is standard, machine builders are often faced with a straightforward challenge. The question is how to design motion systems in high-voltage siuations that work effectively within that environment without introducing unnecessary complexity.
In many cases, the assumption has been that operating in a high-voltage environment requires stepping up to more complex, higher-specification motion systems. Larger machines and higher throughput do place greater demands on certain parts of the system. However, this does not mean every axis within a machine needs to be designed to the same high specification. The challenge is how to make the best use of the available voltage.
The challenge of scaling motion systems
Large manufacturing plants, automotive production lines, logistics hubs and high-throughput packaging facilities are typically built around 400 to 480 V infrastructure. In these settings, aligning motion systems with the available power supply is often the most practical and efficient approach. Introducing lower-voltage systems into these environments can add components, such as transformers and extra protection hardware, that are simply not necessary.
Even in large industrial environments, not every axis is performing the kind of work that warrants top-of-the-line specifications. Many axes handle positioning, guiding or materials. These tasks are essential, but they do not require the highest levels of power or performance. Applying a high-end solution across the board can introduce unnecessary cost, increase commissioning time, and make systems harder to integrate and maintain.
The cost of complexity
Performance metrics like torque and speed are still important, but they are no longer the only factors that define a good solution. Engineering time, ease of integration, and long-term usability are becoming equally important. More complex systems take longer to configure, require more specialist knowledge and can be harder to troubleshoot when something goes wrong. None of this is immediately obvious from a specification sheet, but it has a real effect on project timelines and overall cost.
In many cases, the time required to integrate and commission a system can outweigh the benefits of higher performance on paper. As a result, machine builders are taking a more measured approach, focusing on solutions that meet the needs of the application without adding unnecessary complexity. This is where the idea of right-sizing becomes useful. The goal is to apply capability where it is needed and avoid it where it is not.
Expanding the role of scalable motion platforms
To support this approach, motion suppliers are rethinking how their platforms are structured. Rather than forcing engineers to move between entirely different product families as requirements change, there is a growing focus on scalability that allows a consistent approach across a wider range of applications.
Kollmorgen’s Essentials system is a good example; originally developed as a simplified, cost-effective motion solution for medium-voltage 120 to 240 V applications, the product line has been extended to include high-voltage options, bringing it into alignment with standard industrial power and allowing it to be used directly within 400 to 480 V environments without additional infrastructure.
At its core, the Essentials platform reduces the time and effort required to specify and commission a motion system. Pre-matched motors and drives simplify selection, while a focused range of options helps engineers avoid unnecessary complexity. Commissioning is also streamlined, with intuitive tools that allow systems to be brought online quickly, even without deep motion expertise. With products typically held in stock, Essentials can help shorten lead times and reduce project risk. By extending these benefits into high-voltage applications, the system allows machine builders to apply a consistent, scalable approach across different machines and environments.
A more flexible approach to motion design
As automation expands into larger and more varied environments, this kind of flexibility will only become more important. Machine builders are being asked to deliver systems that are capable, efficient to design, easy to build and straightforward to maintain.
The most effective solutions are the ones that fit the application closely and make the best use of the infrastructure already in place. High-voltage operation has long been a foundation of industrial automation. The challenge is to ensure that motion systems take full advantage of this foundation without adding unnecessary complexity along the way.
For more information contact Kollmorgen,
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